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Finding the Fourth Proportional to 453,357.45, 625,608.54 and 249,375.45

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Solution

The fourth proportional to 453,357.45, 625,608.54 and 249,375.45 is: 344,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,357.45 : 625,608.54 = 249,375.45 : x
  2. Step 2: Convert to fraction form
    453,357.45/625,608.54 = 249,375.45/x
  3. Step 3: Cross multiply
    453,357.45x = 625,608.54 × 249,375.45
  4. Step 4: Simplify right side
    453,357.45x = 156,011,411,186.34
  5. Step 5: Solve for x
    x = 156,011,411,186.34/453,357.45
  6. Step 6: Final answer
    x = 344,124.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.